Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Beloniformes (Needle fishes) > Adrianichthyidae (Ricefishes) > Oryziinae
Etymology: Oryzias: Greek, oryza = rice; because of the habitat used by this fish (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; brackish; benthopelagic; pH range: 7.5 - 8.5; non-migratory. Tropical; 22°C - 25°C (Ref. 31267), preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Indonesia, Singapore, Malaysia, Thailand (Ref. 27658). Recorded from the Mekong (Ref. 12693).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 4.5 cm TL male/unsexed; (Ref. 31267); common length : 3.0 cm SL male/unsexed; (Ref. 27658)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 6-7; Anal soft rays: 20 - 25; Vertebrae: 28 - 29. Principal caudal fin rays 5/6.

Found in ditches, canals, ponds. Occurs at the surface in habitats with dense growth of aquatic plants. Feeds on small crustaceans, insects and protozoans (Ref. 12693). Non-annual breeder. Is very difficult to maintain in aquarium (Ref. 27139). Not seen in markets (Ref. 12693).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Female carries her eggs outside her body in a cluster, attached to the genital pore by filaments.

Main reference Upload your references | References | Coordinator : Seegers, Lothar | Collaborators

Roberts, T.R., 1998. Systematic observations on tropical Asian medakas or ricefishes of the genus Oryzias, with descriptions of four new species. Ichthyol. Res. 45(3):213-224. (Ref. 27658)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest; aquarium: commercial

FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development

Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance

References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion

Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

Oryzias javanicus (Bleeker, 1854)